package com.kuang.filter;

import javax.servlet.*;
import java.io.IOException;

public class aaFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        System.out.println("启动");
    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        servletRequest.setCharacterEncoding("utf-8");
        servletResponse.setCharacterEncoding("utf-8");
        servletResponse.setContentType("text/html; charset=UTF-8 ");


//        过滤转交
        filterChain.doFilter(servletRequest,servletResponse);
    }


    @Override
    public void destroy() {
        System.out.println("结束");
    }
}
